Method operator +

src/libcpp/containers/array_iter.hpp:171–177

    }

    __inline_call iter_type operator + (
        size_type _off
        )
    { /*-------------------- add offset */
        iter_type _tmp(*(iter_type*)this);
        return _tmp += _off;
    }
    __inline_call iter_type operator - (
        size_type _off
        )